Basis of Presentation - Additional Information (Detail) - USD ($) $ in Thousands |
1 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|
Feb. 10, 2021 |
Jan. 01, 2021 |
Feb. 28, 2021 |
Jun. 30, 2020 |
Sep. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Basis Of Presentation [Line Items] | |||||||||
| Loss from operations | $ 18,536 | $ 15,621 | $ 20,885 | ||||||
| Cash and cash equivalents, including restricted cash | 17,876 | 6,101 | $ 8,356 | $ 11,896 | |||||
| Net accounts receivable | 3,059 | $ 8,760 | |||||||
| Proceeds from the exercise of common stock warrants | 46 | ||||||||
| Equity raise of gross proceeds | $ 14,400 | $ 24,000 | $ 24,000 | ||||||
| Subsequent Event | |||||||||
| Basis Of Presentation [Line Items] | |||||||||
| Proceeds from issuance of common stock | $ 14,400 | ||||||||
| Proceeds from the exercise of common stock warrants | $ 15,000 | ||||||||
| Equity raise of gross proceeds | $ 14,400 | ||||||||
| SWK Loan | |||||||||
| Basis Of Presentation [Line Items] | |||||||||
| Working capital | $ 23,900 | ||||||||
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- Definition Basis of presentation. No definition available.
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- Definition A financial calculation subtracting current liabilities from current assets. No definition available.
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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash inflow from the issuance of equity classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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